no ref in the defaults

diff --git a/Changes b/Changes
index e1cf049..f7ddf66 100644 (file)
--- a/Changes
+++ b/Changes
@@ -1,5 +1,11 @@
 Revision history for Perl extension Class-MOP.
 
+0.33
+    * Class::MOP::Attribute
+      - reference values (other than CODE refs) 
+        are no longer allowed for defaults
+        - added tests for this
+
 0.32 Sat. Aug. 12, 2006
     + added Class::MOP::Object so that the 
       metamodel is more complete (and closer

diff --git a/README b/README
index ca3e898..8b810ad 100644 (file)
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-Class::MOP version 0.32
+Class::MOP version 0.33
 ===========================
 
 See the individual module documentation for more information

diff --git a/lib/Class/MOP.pm b/lib/Class/MOP.pm
index 855ef20..3fd61ed 100644 (file)
--- a/lib/Class/MOP.pm
+++ b/lib/Class/MOP.pm
@@ -13,7 +13,7 @@ use Class::MOP::Method;
 
 use Class::MOP::Class::Immutable;
 
-our $VERSION   = '0.32';
+our $VERSION   = '0.33';
 our $AUTHORITY = 'cpan:STEVAN';
 
 ## ----------------------------------------------------------------------------
@@ -267,6 +267,11 @@ Class::MOP::Attribute->meta->add_method('new' => sub {
         || confess "You must provide a name for the attribute";
     $options{init_arg} = $name 
         if not exists $options{init_arg};
+        
+    (Class::MOP::Attribute::is_default_a_coderef(\%options))
+        || confess("References are not allowed as default values, you must ". 
+                   "wrap then in a CODE reference (ex: sub { [] } and not [])")
+            if exists $options{default} && ref $options{default};        
 
     # return the new object
     $class->meta->new_object(name => $name, %options);

diff --git a/lib/Class/MOP/Attribute.pm b/lib/Class/MOP/Attribute.pm
index ca93efe..4e3eb09 100644 (file)
--- a/lib/Class/MOP/Attribute.pm
+++ b/lib/Class/MOP/Attribute.pm
@@ -7,7 +7,7 @@ use warnings;
 use Carp         'confess';
 use Scalar::Util 'blessed', 'reftype', 'weaken';
 
-our $VERSION   = '0.11';
+our $VERSION   = '0.12';
 our $AUTHORITY = 'cpan:STEVAN';
 
 sub meta { 
@@ -34,6 +34,11 @@ sub new {
     $options{init_arg} = $name 
         if not exists $options{init_arg};
             
+    (is_default_a_coderef(\%options))
+        || confess("References are not allowed as default values, you must ". 
+                   "wrap then in a CODE reference (ex: sub { [] } and not [])")
+            if exists $options{default} && ref $options{default};      
+            
     bless {
         name      => $name,
         accessor  => $options{accessor},

diff --git a/t/021_attribute_errors_and_edge_cases.t b/t/021_attribute_errors_and_edge_cases.t
index 1b8c514..2974b8d 100644 (file)
--- a/t/021_attribute_errors_and_edge_cases.t
+++ b/t/021_attribute_errors_and_edge_cases.t
@@ -3,7 +3,7 @@
 use strict;
 use warnings;
 
-use Test::More tests => 20;
+use Test::More tests => 23;
 use Test::Exception;
 
 BEGIN {
@@ -11,15 +11,40 @@ BEGIN {
     use_ok('Class::MOP::Attribute');
 }
 
+# most values are static
 
 {
-    my $regexp = qr/hello (.*)/;
-    my $attr = Class::MOP::Attribute->new('$test' => (
-        default => $regexp
-    ));    
+    dies_ok {
+        Class::MOP::Attribute->new('$test' => (
+            default => qr/hello (.*)/
+        ));
+    } '... no refs for defaults';
+    
+    dies_ok {
+        Class::MOP::Attribute->new('$test' => (
+            default => []
+        ));
+    } '... no refs for defaults';    
+    
+    dies_ok {
+        Class::MOP::Attribute->new('$test' => (
+            default => {}
+        ));
+    } '... no refs for defaults';    
+    
     
-    ok($attr->has_default, '... we have a default value');
-    is($attr->default, $regexp, '... and got the value we expected');
+    dies_ok {
+        Class::MOP::Attribute->new('$test' => (
+            default => \(my $var)
+        ));
+    } '... no refs for defaults';    
+
+    dies_ok {
+        Class::MOP::Attribute->new('$test' => (
+            default => bless {} => 'Foo'
+        ));
+    } '... no refs for defaults';
+
 }
 
 { # bad construtor args